Thyroid Health Formula
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Pantothenic Acid (as Calcium Pantothenate) | 100 mg | 1000% |
| Iodine (as Potassium Iodide) | 100 mcg | 67% |
| Copper (as Copper Gluconate) | 0.5 mg | 25% |
| Manganese (as Manganese Citrate) | 0.5 mg | 25% |
| L-Tyrosine | 500 mg | † |
| Ashwagandha (Withania somnifera) extract (as Withanolides) | 150 mg | † |
| Guggul (Commiphora mukul) extract (as Guggulsterones) | 120 mg | † |
Bioavailability Excellent
Absorption Rating
- Pantothenic Acid (as Calcium Pantothenate) Good
- Iodine (as Potassium Iodide) Good
- Copper (as Copper Gluconate) Good
- Manganese (as Manganese Citrate) Good
- L-Tyrosine Good
- Ashwagandha (Withania somnifera) extract (as Withanolides) Good
- Guggul (Commiphora mukul) extract (as Guggulsterones) Fair
Other Ingredients Excellent
Fillers & Additives
- Vegetarian Capsule
- Microcrystalline Cellulose
- Magnesium Stearate
Efficacy Fair
Dosage Analysis
- Pantothenic Acid (as Calcium Pantothenate) 100 mg Effective
- Iodine (as Potassium Iodide) 100 mcg Under-dosed
- Copper (as Copper Gluconate) 0.5 mg Effective
- Manganese (as Manganese Citrate) 0.5 mg Under-dosed
- L-Tyrosine 500 mg Effective
- Ashwagandha (Withania somnifera) extract (as Withanolides) 150 mg Under-dosed
- Guggul (Commiphora mukul) extract (as Guggulsterones) 120 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Pantothenic Acid (as Calcium Pantothenate) | 100 mg | 1000% |
| Iodine (as Potassium Iodide) | 100 mcg | 67% |
| Copper (as Copper Gluconate) | 0.5 mg | 25% |
| Manganese (as Manganese Citrate) | 0.5 mg | 25% |
| L-Tyrosine | 500 mg | † |
| Ashwagandha (Withania somnifera) extract (as Withanolides) | 150 mg | † |
| Guggul (Commiphora mukul) extract (as Guggulsterones) | 120 mg | † |
Other Ingredients
Price Comparison
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Certifications
5 certifications
Transparency
4 claims
Violation History
5 incidents
Is Natural Factors Thyroid Health Formula a good supplement?
Natural Factors Thyroid Health Formula received a product quality score of 83/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 7 active ingredients with 60 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Natural Factors, holds a brand trust score of 88/100 with 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project.
What are the ingredients in Natural Factors Thyroid Health Formula?
Natural Factors Thyroid Health Formula contains 7 active ingredients: Pantothenic Acid (as Calcium Pantothenate) (100 mg), Iodine (as Potassium Iodide) (100 mcg), Copper (as Copper Gluconate) (0.5 mg), Manganese (as Manganese Citrate) (0.5 mg), L-Tyrosine (500 mg), Ashwagandha (Withania somnifera) extract (as Withanolides) (150 mg), and 1 more. Notable high-dose ingredients include Pantothenic Acid at 1000% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Natural Factors Thyroid Health Formula safe to take?
Natural Factors Thyroid Health Formula has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is Natural Factors a trustworthy supplement brand?
Natural Factors receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1950 and headquartered in Coquitlam, British Columbia, Canada, the company offers 390 products in their lineup. They hold 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natural Factors has 5 historical regulatory incidents on record, which are factored into the trust score.
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